
.app-box{
  width: 100%;
  height: 100%;
  background-color: pink;
  display: flex;
}

.menu-box{
  width: 200px;
  height: 100%;
  background-color: #ededed;
  overflow-y: auto;
  
}

.menu-box li{
  padding: 10px;
}

.content-box{
  flex: 1;
  height: 100%;
  background-color: white;
}

.active{
  background-color: skyblue;
}